diff --git a/models2/room/smallerWall.mtl b/models2/room/smallerWall.mtl
new file mode 100644
index 0000000..108bc29
--- /dev/null
+++ b/models2/room/smallerWall.mtl
@@ -0,0 +1,12 @@
+# Blender 3.4.1 MTL File: 'untitled.blend'
+# www.blender.org
+
+newmtl Material.002
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.450000
+d 1.000000
+illum 2
+map_Kd smallerWall.png
diff --git a/models2/room/smallerWall.obj b/models2/room/smallerWall.obj
new file mode 100644
index 0000000..18bc68b
--- /dev/null
+++ b/models2/room/smallerWall.obj
@@ -0,0 +1,16 @@
+# Blender 3.4.1
+# www.blender.org
+mtllib smallerWall.mtl
+o Plane
+v -2.000000 0.000000 -0.000000
+v 2.000000 0.000000 -0.000000
+v -2.000000 2.600000 0.000000
+v 2.000000 2.600000 0.000000
+vn -0.0000 -0.0000 1.0000
+vt 0.000000 0.000000
+vt 1.000000 0.000000
+vt 0.000000 1.000000
+vt 1.000000 1.000000
+s 0
+usemtl Material.002
+f 1/1/1 2/2/1 4/4/1 3/3/1
diff --git a/models2/room/smallerWall.png b/models2/room/smallerWall.png
new file mode 100644
index 0000000..23a0d11
Binary files /dev/null and b/models2/room/smallerWall.png differ
diff --git a/models2/room/smallerWall_ww.mtl b/models2/room/smallerWall_ww.mtl
new file mode 100644
index 0000000..108bc29
--- /dev/null
+++ b/models2/room/smallerWall_ww.mtl
@@ -0,0 +1,12 @@
+# Blender 3.4.1 MTL File: 'untitled.blend'
+# www.blender.org
+
+newmtl Material.002
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.450000
+d 1.000000
+illum 2
+map_Kd smallerWall.png
diff --git a/models2/room/smallerWall_ww.obj b/models2/room/smallerWall_ww.obj
new file mode 100644
index 0000000..6c024ed
--- /dev/null
+++ b/models2/room/smallerWall_ww.obj
@@ -0,0 +1,47 @@
+# Blender 3.4.1
+# www.blender.org
+mtllib smallerWall_ww.mtl
+o Plane
+v -2.000000 0.000000 -0.000000
+v 2.000000 0.000000 -0.000000
+v -2.000000 2.600000 0.000000
+v 2.000000 2.600000 0.000000
+v -0.292093 2.600000 0.000000
+v 1.727409 2.600000 0.000000
+v -0.292093 0.000000 -0.000000
+v 1.727409 0.000000 -0.000000
+v -2.000000 2.284286 0.000000
+v 2.000000 2.284286 0.000000
+v -0.292093 2.284286 0.000000
+v 1.727409 2.284286 0.000000
+v -2.000000 1.054286 -0.000000
+v 2.000000 1.054286 -0.000000
+v -0.292093 1.054286 -0.000000
+v 1.727409 1.054286 -0.000000
+vn -0.0000 -0.0000 1.0000
+vt 0.000000 0.000000
+vt 1.000000 0.000000
+vt 0.000000 1.000000
+vt 1.000000 1.000000
+vt 0.512748 1.000000
+vt 0.846081 1.000000
+vt 0.512748 0.000000
+vt 0.846081 0.000000
+vt 0.000000 0.878571
+vt 1.000000 0.878571
+vt 0.512748 0.878571
+vt 0.846081 0.878571
+vt 0.000000 0.405494
+vt 1.000000 0.405495
+vt 0.512748 0.405495
+vt 0.846081 0.405495
+s 0
+usemtl Material.002
+f 12/12/1 10/10/1 4/4/1 6/6/1
+f 9/9/1 11/11/1 5/5/1 3/3/1
+f 11/11/1 12/12/1 6/6/1 5/5/1
+f 13/13/1 15/15/1 11/11/1 9/9/1
+f 16/16/1 14/14/1 10/10/1 12/12/1
+f 8/8/1 2/2/1 14/14/1 16/16/1
+f 1/1/1 7/7/1 15/15/1 13/13/1
+f 7/7/1 8/8/1 16/16/1 15/15/1
diff --git a/models2/window/untitled.blend b/models2/window/untitled.blend
index 1cc80be..1a3b44c 100644
Binary files a/models2/window/untitled.blend and b/models2/window/untitled.blend differ
diff --git a/models2/window/untitled.blend1 b/models2/window/untitled.blend1
index 56acd5b..a87c01b 100644
Binary files a/models2/window/untitled.blend1 and b/models2/window/untitled.blend1 differ
diff --git a/src/ex_9_1.hpp b/src/ex_9_1.hpp
index da417a9..6689b21 100644
--- a/src/ex_9_1.hpp
+++ b/src/ex_9_1.hpp
@@ -39,6 +39,8 @@ namespace models {
 	Core::RenderContext	carpet;
 	Core::RenderContext roof;
 	Core::RenderContext longerWall;
+	Core::RenderContext smallerWall;
+	Core::RenderContext smallerWall_ww;
 }
 namespace textures {
 	GLuint floorTexture;
@@ -56,6 +58,7 @@ namespace textures {
 	GLuint carpetTexture;
 	GLuint roofTexture;
 	GLuint longerWallTexture;
+	GLuint smallerWallTexture;
 }
 
 GLuint depthMapFBO;
@@ -91,7 +94,8 @@ Core::RenderContext sphereContext;
 
 glm::vec3 sunPos = glm::vec3(-4.740971f, 2.149999f, 0.369280f);
 glm::vec3 sunDir = glm::vec3(-0.93633f, 0.351106, 0.003226f);
-glm::vec3 sunColor = glm::vec3(0.9f, 0.9f, 0.7f)*5;
+glm::vec3 sunColor = glm::vec3(0.9f, 0.9f, 0.7f);
+
 
 glm::vec3 cameraPos = glm::vec3(0.479490f, 1.250000f, -2.124680f);
 glm::vec3 cameraDir = glm::vec3(-0.354510f, 0.000000f, 0.935054f);
@@ -103,7 +107,7 @@ GLuint VAO,VBO;
 
 float aspectRatio = 1.f;
 
-float exposition = 1.f;
+float exposition = 4.f;
 
 glm::vec3 pointlightPos = glm::vec3(0, 2, 0);
 glm::vec3 pointlightColor = glm::vec3(0.9, 0.6, 0.6);
@@ -274,14 +278,14 @@ void renderScene(GLFWwindow* window)
 	updateDeltaTime(time);
 	renderShadowapSun();
 
-	//space lamp
-	//glUseProgram(programSun);
-	//glm::mat4 viewProjectionMatrix = createPerspectiveMatrix() * createCameraMatrix();
-	//glm::mat4 transformation = viewProjectionMatrix * glm::translate(pointlightPos) * glm::scale(glm::vec3(0.1));
-	//glUniformMatrix4fv(glGetUniformLocation(programSun, "transformation"), 1, GL_FALSE, (float*)&transformation);
-	//glUniform3f(glGetUniformLocation(programSun, "color"), sunColor.x / 2, sunColor.y / 2, sunColor.z / 2);
-	//glUniform1f(glGetUniformLocation(programSun, "exposition"), exposition);
-	//Core::DrawContext(sphereContext);
+	/*space lamp*/
+	glUseProgram(programSun);
+	glm::mat4 viewProjectionMatrix = createPerspectiveMatrix() * createCameraMatrix();
+	glm::mat4 transformation = viewProjectionMatrix * glm::translate(pointlightPos) * glm::scale(glm::vec3(0.1));
+	glUniformMatrix4fv(glGetUniformLocation(programSun, "transformation"), 1, GL_FALSE, (float*)&transformation);
+	glUniform3f(glGetUniformLocation(programSun, "color"), sunColor.x, sunColor.y, sunColor.z);
+	glUniform1f(glGetUniformLocation(programSun, "exposition"), exposition);
+	Core::DrawContext(sphereContext);
 
 	glUseProgram(program);
 
@@ -302,17 +306,32 @@ void renderScene(GLFWwindow* window)
 		textures::longerWallTexture,
 		0,
 		0);
-	//drawObjectPBR(models::carpet, glm::mat4()  * glm::scale(glm::vec3(3)),
-	//	textures::carpetTexture,
-	//	0,
-	//	0
-	//);
-
-	//drawObjectPBR(models::window, glm::mat4(),
-	//	textures::windowFrameTexture,
-	//	0.2,
-	//	0.1
-	//);
+	glm::mat4 model = glm::mat4() * glm::translate(glm::vec3(2.5, 0, 0));
+	model = glm::rotate(model, glm::radians(90.0f), glm::vec3(0, 1, 0));
+	drawObjectPBR(models::smallerWall, model,
+		textures::longerWallTexture,
+		0,
+		0
+	);
+	model = glm::mat4() * glm::translate(glm::vec3(-2.5, 0, 0));
+	model = glm::rotate(model, glm::radians(90.0f), glm::vec3(0, 1, 0));
+	drawObjectPBR(models::smallerWall_ww, model,
+		textures::longerWallTexture,
+		0,
+		0
+	);
+	drawObjectPBR(models::carpet, glm::mat4() * glm::translate(glm::vec3(0.0 ,0.01 ,0.9)),
+		textures::carpetTexture,
+		0,
+		0
+	);
+	model = glm::mat4() * glm::translate(glm::vec3(-2.5, 1.5, -0.5)) * glm::scale(glm::vec3(0.4));
+	model = glm::rotate(model, glm::radians(90.0f), glm::vec3(0, 1, 0));
+	drawObjectPBR(models::window, model,
+		textures::windowFrameTexture,
+		0.2,
+		0.1
+	);
 	//drawObjectPBR(models::potPlant, glm::mat4() * glm::scale(glm::vec3(0.2f)) * glm::translate(glm::vec3(-5.0f, 55.0f, -6.0f)),
 	//	textures::potPlantTexture,
 	//	1.0f,
@@ -455,6 +474,9 @@ void init(GLFWwindow* window)
 	loadModelToContext("./models2/room/floor.obj", models::floor);
 	loadModelToContext("./models2/room/floor.obj", models::roof);
 	loadModelToContext("./models2/room/longerWall.obj", models::longerWall);
+	loadModelToContext("./models2/room/smallerWall.obj", models::smallerWall);
+	loadModelToContext("./models2/room/smallerWall_ww.obj", models::smallerWall_ww);
+
 
 	textures::floorTexture = Core::LoadTexture("./models2/room/wood.png");
 	textures::flashlightTexture = Core::LoadTexture("./models/FlashlightTexture.png");
@@ -472,6 +494,7 @@ void init(GLFWwindow* window)
 	textures::carpetTexture = Core::LoadTexture("./models2/carpet/1251.jpg");
 	textures::roofTexture = Core::LoadTexture("./models2/room/roof.png");
 	textures::longerWallTexture = Core::LoadTexture("./models2/room/longerWall.png");
+	textures::longerWallTexture = Core::LoadTexture("./models2/room/smallerWall.png");
 }
 
 void shutdown(GLFWwindow* window)